Genus

Petridiostroma Stearn, 1992

Images
GIT 114-20
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
Jaani Stageholotype
GIT 114-21
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
Jaani Stageparatype
GIT 114-22
Petridiostroma convictum | Petridiostroma convictum (Yavorsky, 1929)
Paadla Stage
GIT 114-56
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
Jaagarahu Stage
TUG 1589-492
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
Jaagarahu Stage
TUG 1833-13 Adavere Stage | H
GIT 333-245-1
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
79.3 - 79.4Jaagarahu Stage
GIT 333-43
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
19.5 Jaagarahu Stage
GIT 333-81-1
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
80.2 Jaani Stage
GIT 333-85
Petridiostroma simplex | Simplexodictyon simplex Nestor, 1966
106.8 Jaani Stage